Omega Seamaster Diver 300M vs Tudor Pelagos 39

Side-by-side comparison of specifications and features

OmegaSeamaster Diver 300M

210.30.42.20.03.001

TudorPelagos 39

M25407N

Key Differences

Best Value

Tudor Pelagos 39 (M25407N)

Starting from $4,313

Best Water Resistance

Omega Seamaster Diver 300M (Ref. 210.30.42.20.03.001)

300m (2x more)

Biggest Price Drop

Tudor Pelagos 39 (M25407N)

-5.5% in 30 days

Price Comparison

Omega Seamaster Diver 300M

MSRP

$5,900

New

$6,020

Used

$4,340

Tudor Pelagos 39

MSRP

$5,475

New

$5,373

Used

$4,043

MSRP New (Amazon) Used (eBay)

Comparison of Omega Seamaster Diver 300M, Tudor Pelagos 39
Specification	Omega Seamaster Diver 300M	Tudor Pelagos 39
Pricing
MSRP	$5,900	$5,475
New Price	$6,020	$5,373
Used Price (Low)	$4,340	$4,043
Used Price (High)	$8,857	$4,700
30-Day Trend	0.0%	↓ -5.5%
Used Price Range	$4,340 - $8,857	$4,043 - $4,700
Identity
Reference	210.30.42.20.03.001	M25407N
Nickname	N/A	N/A
Style	Diver, Luxury	Diver, Tool
Release Era	2010s	2020s
Dimensions
Diameter	42mm	39mm
Thickness	13.6mm	N/A
Lug Width	20mm	N/A
Lug to Lug	49mm	N/A
Movement
Movement	Automatic	Automatic
Power Reserve / Battery	N/A	N/A
Accuracy	N/A	N/A
Case
Case Material	Stainless Steel	Titanium
Crystal	Sapphire Crystal	Sapphire Crystal
Water Resistance	300m (diving)	200m (diving)
Bezel	unidirectional rotating	Unidirectional rotating
Dial
Dial Color	blue	Black
Luminous	Yes	Yes
Community
Review Rating	N/A	N/A
In Collections	N/A	N/A
On Wishlists	N/A	N/A
Forum Threads	N/A	N/A

Quick Summary

If you are deciding between Omega Seamaster Diver 300M and Tudor Pelagos 39, the real decision is usually about wrist presence versus easier fit, water-ready utility versus dressier everyday wear. Start with fit first — case width and lug-to-lug usually matter more than secondary features if wrist comfort is a concern.

How to choose

The biggest practical difference is usually movement and upkeep. Start with wrist fit and movement preference, then use water resistance and price to break the tie.

Omega Seamaster Diver 300M

Omega Seamaster Diver 300M is a better fit for buyers who want more wrist presence, mechanical-watch enthusiasts, diver styling.

Tudor Pelagos 39

Tudor Pelagos 39 is a better fit for smaller wrists, mechanical-watch enthusiasts, diver styling.

Key Differences

Movement and upkeep

Omega Seamaster Diver 300M: automatic movement

Tudor Pelagos 39: automatic movement

Both use the same movement type, so maintenance differences are limited and fit or feature details should decide the purchase.

Size and wearability

Omega Seamaster Diver 300M: 42mm · L2L 49mm

Tudor Pelagos 39: 39mm

Fit is a real separator here — compare case width and lug-to-lug before deciding, especially if wrist comfort matters more than headline features.

Water resistance

Omega Seamaster Diver 300M: 300m

Tudor Pelagos 39: 200m

Water resistance is a meaningful separator here — the higher-rated option gives more flexibility for swimming or rougher daily use.

Price and value

Omega Seamaster Diver 300M: $5,900

Tudor Pelagos 39: $4,313

There is a real price gap here — treat the more expensive option as an upgrade decision and confirm whether the extra spend buys something you will notice in weekly use.

Style and use case

Omega Seamaster Diver 300M: diver

Tudor Pelagos 39: diver

Both lean into a similar diver use case — the choice is more about fit, features, and price than category.

Crystal and materials

Omega Seamaster Diver 300M: sapphire crystal · steel

Tudor Pelagos 39: sapphire crystal · titanium

Materials are broadly similar, so finish, fit, and price will matter more than the materials list alone.

Choose Omega Seamaster Diver 300M If...

You prefer more dial presence and a larger case feel.
Swimming, beach use, or tougher daily wear is part of the plan.
You are comfortable paying more for a stronger feature set.

Choose Tudor Pelagos 39 If...

You want a smaller case footprint on the wrist.
You want the lower current entry price.

Price and Value Notes

Tudor Pelagos 39 is often the value play at current pricing, while Omega Seamaster Diver 300M makes more sense if you will use its extra features regularly.

There is a real price gap here — treat the more expensive option as an upgrade decision and confirm whether the extra spend buys something you will notice in weekly use.

Where to Check Deals

Check current deals on Amazon and eBay using the buttons below — listing prices, seller quality, and condition can change quickly.

Check current deals on Amazon and eBay

Prices change often, so compare the latest listings and condition options before you buy.

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Omega Seamaster Diver 300M

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $5323 · Live listings

Affiliate links — WatchCompared earns a commission on qualifying purchases. This doesn't affect your price.

Tudor Pelagos 39

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $4313 · Live listings

Affiliate links — WatchCompared earns a commission on qualifying purchases. This doesn't affect your price.

Comparison FAQ

Which one is better for smaller wrists?

Start with case width and lug-to-lug. The watch that looks smaller on paper is often the safer choice, but lug shape and thickness still affect how it wears.

Which is better for swimming or rough daily wear?

Use the water resistance row as the first filter. Higher ratings generally give more flexibility for swimming and water exposure, but strap choice and overall condition still matter.

Should I choose based on price alone?

Price matters, but the better buy is the watch that matches your fit, feature priorities, and use case. Check live listings first, then decide whether the price gap actually changes the ownership experience.